Glossary of Medical Terms

polycythemia vera

A disease in which there are too many red blood cells in the bone marrow and blood, causing the blood to thicken. The number of white blood cells and platelets may also increase. The extra blood cells may collect in the spleen and cause it to become enlarged. They may also cause bleeding problems and make clots form in blood vessels.

  • Bookmark
  • Print

    Find a Doctor

Click the button above or call
1 877 NYP WELL


eNewsletters
Top of page